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authorHarald Welte <laforge@gnumonks.org>2014-08-20 23:47:15 +0200
committerHarald Welte <laforge@gnumonks.org>2014-08-21 15:34:28 +0200
commitba874b82be0ad1752b46009ba403f9b7bf24492d (patch)
tree0677b2490d0a916f14321ef81dd4b91b131884c4 /openbsc/src/libctrl/control_cmd.c
parent0e167fc9740793cf4a3c82747919146073255486 (diff)
move libctrl from openbsc to libosmoctrl (libosmocore.git)
Diffstat (limited to 'openbsc/src/libctrl/control_cmd.c')
-rw-r--r--openbsc/src/libctrl/control_cmd.c491
1 files changed, 0 insertions, 491 deletions
diff --git a/openbsc/src/libctrl/control_cmd.c b/openbsc/src/libctrl/control_cmd.c
deleted file mode 100644
index 44cfa4851..000000000
--- a/openbsc/src/libctrl/control_cmd.c
+++ /dev/null
@@ -1,491 +0,0 @@
-/* SNMP-like status interface
- *
- * (C) 2010-2011 by Daniel Willmann <daniel@totalueberwachung.de>
- * (C) 2010-2011 by On-Waves
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#include <ctype.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <openbsc/control_cmd.h>
-#include <openbsc/debug.h>
-#include <openbsc/vty.h>
-
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/talloc.h>
-
-#include <osmocom/vty/command.h>
-#include <osmocom/vty/vector.h>
-
-extern vector ctrl_node_vec;
-
-static struct ctrl_cmd_map ccm[] = {
- {"GET", CTRL_TYPE_GET},
- {"SET", CTRL_TYPE_SET},
- {"GET_REPLY", CTRL_TYPE_GET_REPLY},
- {"SET_REPLY", CTRL_TYPE_SET_REPLY},
- {"TRAP", CTRL_TYPE_TRAP},
- {"ERROR", CTRL_TYPE_ERROR},
- {NULL}
-};
-
-int ctrl_cmd_str2type(char *s)
-{
- int i;
- for (i=0; ccm[i].cmd != NULL; i++) {
- if (strcasecmp(s, ccm[i].cmd) == 0)
- return ccm[i].type;
- }
- return CTRL_TYPE_UNKNOWN;
-}
-
-char *ctrl_cmd_type2str(int type)
-{
- int i;
- for (i=0; ccm[i].cmd != NULL; i++) {
- if (ccm[i].type == type)
- return ccm[i].cmd;
- }
- return NULL;
-}
-
-/* Functions from libosmocom */
-extern vector cmd_make_descvec(const char *string, const char *descstr);
-
-/* Get the ctrl_cmd_element that matches this command */
-static struct ctrl_cmd_element *ctrl_cmd_get_element_match(vector vline, vector node)
-{
- int index, j;
- const char *desc;
- struct ctrl_cmd_element *cmd_el;
- struct ctrl_cmd_struct *cmd_desc;
- char *str;
-
- for (index = 0; index < vector_active(node); index++) {
- if ((cmd_el = vector_slot(node, index))) {
- cmd_desc = &cmd_el->strcmd;
- if (cmd_desc->nr_commands > vector_active(vline))
- continue;
- for (j =0; j < vector_active(vline); j++) {
- str = vector_slot(vline, j);
- desc = cmd_desc->command[j];
- if (desc[0] == '*')
- return cmd_el; /* Partial match */
- if (strcmp(desc, str) != 0)
- break;
- }
- /* We went through all the elements and all matched */
- if (j == cmd_desc->nr_commands)
- return cmd_el;
- }
- }
-
- return NULL;
-}
-
-int ctrl_cmd_exec(vector vline, struct ctrl_cmd *command, vector node, void *data)
-{
- int ret = CTRL_CMD_ERROR;
- struct ctrl_cmd_element *cmd_el;
-
- if ((command->type != CTRL_TYPE_GET) && (command->type != CTRL_TYPE_SET)) {
- command->reply = "Trying to execute something not GET or SET";
- goto out;
- }
- if ((command->type == CTRL_TYPE_SET) && (!command->value)) {
- command->reply = "SET without a value";
- goto out;
- }
-
- if (!vline)
- goto out;
-
- cmd_el = ctrl_cmd_get_element_match(vline, node);
-
- if (!cmd_el) {
- command->reply = "Command not found";
- goto out;
- }
-
- if (command->type == CTRL_TYPE_SET) {
- if (!cmd_el->set) {
- command->reply = "SET not implemented";
- goto out;
- }
- if (cmd_el->verify) {
- if ((ret = cmd_el->verify(command, command->value, data))) {
- ret = CTRL_CMD_ERROR;
- /* If verify() set an appropriate error message, don't change it. */
- if (!command->reply)
- command->reply = "Value failed verification.";
- goto out;
- }
- }
- ret = cmd_el->set(command, data);
- goto out;
- } else if (command->type == CTRL_TYPE_GET) {
- if (!cmd_el->get) {
- command->reply = "GET not implemented";
- goto out;
- }
- ret = cmd_el->get(command, data);
- goto out;
- }
-out:
- if (ret == CTRL_CMD_REPLY) {
- if (command->type == CTRL_TYPE_SET) {
- command->type = CTRL_TYPE_SET_REPLY;
- } else if (command->type == CTRL_TYPE_GET) {
- command->type = CTRL_TYPE_GET_REPLY;
- }
- } else if (ret == CTRL_CMD_ERROR) {
- command->type = CTRL_TYPE_ERROR;
- }
- return ret;
-}
-
-static void add_word(struct ctrl_cmd_struct *cmd,
- const char *start, const char *end)
-{
- if (!cmd->command) {
- cmd->command = talloc_zero_array(tall_vty_vec_ctx,
- char*, 1);
- cmd->nr_commands = 0;
- } else {
- cmd->command = talloc_realloc(tall_vty_vec_ctx,
- cmd->command, char*,
- cmd->nr_commands + 1);
- }
-
- cmd->command[cmd->nr_commands++] = talloc_strndup(cmd->command,
- start, end - start);
-}
-
-static void create_cmd_struct(struct ctrl_cmd_struct *cmd, const char *name)
-{
- const char *cur, *word;
-
- for (cur = name, word = NULL; cur[0] != '\0'; ++cur) {
- /* warn about optionals */
- if (cur[0] == '(' || cur[0] == ')' || cur[0] == '|') {
- LOGP(DCTRL, LOGL_ERROR,
- "Optionals are not supported in '%s'\n", name);
- goto failure;
- }
-
- if (isspace(cur[0])) {
- if (word) {
- add_word(cmd, word, cur);
- word = NULL;
- }
- continue;
- }
-
- if (!word)
- word = cur;
- }
-
- if (word)
- add_word(cmd, word, cur);
-
- return;
-failure:
- cmd->nr_commands = 0;
- talloc_free(cmd->command);
-}
-
-int ctrl_cmd_install(enum ctrl_node_type node, struct ctrl_cmd_element *cmd)
-{
- vector cmds_vec;
-
- cmds_vec = vector_lookup_ensure(ctrl_node_vec, node);
-
- if (!cmds_vec) {
- cmds_vec = vector_init(5);
- if (!cmds_vec) {
- LOGP(DCTRL, LOGL_ERROR, "vector_init failed.\n");
- return -ENOMEM;
- }
- vector_set_index(ctrl_node_vec, node, cmds_vec);
- }
-
- vector_set(cmds_vec, cmd);
-
- create_cmd_struct(&cmd->strcmd, cmd->name);
- return 0;
-}
-
-struct ctrl_cmd *ctrl_cmd_create(void *ctx, enum ctrl_type type)
-{
- struct ctrl_cmd *cmd;
-
- cmd = talloc_zero(ctx, struct ctrl_cmd);
- if (!cmd)
- return NULL;
-
- cmd->type = type;
- return cmd;
-}
-
-struct ctrl_cmd *ctrl_cmd_cpy(void *ctx, struct ctrl_cmd *cmd)
-{
- struct ctrl_cmd *cmd2;
-
- cmd2 = talloc_zero(ctx, struct ctrl_cmd);
- if (!cmd2)
- return NULL;
-
- cmd2->type = cmd->type;
- if (cmd->id) {
- cmd2->id = talloc_strdup(cmd2, cmd->id);
- if (!cmd2->id)
- goto err;
- }
- if (cmd->variable) {
- cmd2->variable = talloc_strdup(cmd2, cmd->variable);
- if (!cmd2->variable)
- goto err;
- }
- if (cmd->value) {
- cmd2->value = talloc_strdup(cmd2, cmd->value);
- if (!cmd2->value)
- goto err;
- }
- if (cmd->reply) {
- cmd2->reply = talloc_strdup(cmd2, cmd->reply);
- if (!cmd2->reply)
- goto err;
- }
-
- return cmd2;
-err:
- talloc_free(cmd2);
- return NULL;
-}
-
-struct ctrl_cmd *ctrl_cmd_parse(void *ctx, struct msgb *msg)
-{
- char *str, *tmp, *saveptr = NULL;
- char *var, *val;
- struct ctrl_cmd *cmd;
-
- cmd = talloc_zero(ctx, struct ctrl_cmd);
- if (!cmd) {
- LOGP(DCTRL, LOGL_ERROR, "Failed to allocate.\n");
- return NULL;
- }
-
- /* Make sure input is NULL terminated */
- msgb_put_u8(msg, 0);
- str = (char *) msg->l2h;
-
- tmp = strtok_r(str, " ", &saveptr);
- if (!tmp) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->id = "err";
- cmd->reply = "Request malformed";
- goto err;
- }
-
- cmd->type = ctrl_cmd_str2type(tmp);
- if (cmd->type == CTRL_TYPE_UNKNOWN) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->id = "err";
- cmd->reply = "Request type unknown";
- goto err;
- }
-
- tmp = strtok_r(NULL, " ", &saveptr);
-
- if (!tmp) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->id = "err";
- cmd->reply = "Missing ID";
- goto err;
- }
- cmd->id = talloc_strdup(cmd, tmp);
- if (!cmd->id)
- goto oom;
-
- switch (cmd->type) {
- case CTRL_TYPE_GET:
- var = strtok_r(NULL, " ", &saveptr);
- if (!var) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->reply = "GET incomplete";
- LOGP(DCTRL, LOGL_NOTICE, "GET Command incomplete\n");
- goto err;
- }
- cmd->variable = talloc_strdup(cmd, var);
- LOGP(DCTRL, LOGL_DEBUG, "Command: GET %s\n", cmd->variable);
- break;
- case CTRL_TYPE_SET:
- var = strtok_r(NULL, " ", &saveptr);
- val = strtok_r(NULL, "\n", &saveptr);
- if (!var || !val) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->reply = "SET incomplete";
- LOGP(DCTRL, LOGL_NOTICE, "SET Command incomplete\n");
- goto err;
- }
- cmd->variable = talloc_strdup(cmd, var);
- cmd->value = talloc_strdup(cmd, val);
- if (!cmd->variable || !cmd->value)
- goto oom;
- LOGP(DCTRL, LOGL_DEBUG, "Command: SET %s = %s\n", cmd->variable, cmd->value);
- break;
- case CTRL_TYPE_GET_REPLY:
- case CTRL_TYPE_SET_REPLY:
- case CTRL_TYPE_TRAP:
- var = strtok_r(NULL, " ", &saveptr);
- val = strtok_r(NULL, " ", &saveptr);
- if (!var || !val) {
- cmd->type = CTRL_TYPE_ERROR;
- cmd->reply = "Trap/Reply incomplete";
- LOGP(DCTRL, LOGL_NOTICE, "Trap/Reply incomplete\n");
- goto err;
- }
- cmd->variable = talloc_strdup(cmd, var);
- cmd->reply = talloc_strdup(cmd, val);
- if (!cmd->variable || !cmd->reply)
- goto oom;
- LOGP(DCTRL, LOGL_DEBUG, "Command: TRAP/REPLY %s: %s\n", cmd->variable, cmd->reply);
- break;
- case CTRL_TYPE_ERROR:
- var = strtok_r(NULL, "\0", &saveptr);
- if (!var) {
- cmd->reply = "";
- goto err;
- }
- cmd->reply = talloc_strdup(cmd, var);
- if (!cmd->reply)
- goto oom;
- LOGP(DCTRL, LOGL_DEBUG, "Command: ERROR %s\n", cmd->reply);
- break;
- case CTRL_TYPE_UNKNOWN:
- default:
- cmd->type = CTRL_TYPE_ERROR;
- cmd->reply = "Unknown type";
- goto err;
- }
-
- return cmd;
-oom:
- cmd->type = CTRL_TYPE_ERROR;
- cmd->id = "err";
- cmd->reply = "OOM";
-err:
- talloc_free(cmd);
- return NULL;
-}
-
-struct msgb *ctrl_cmd_make(struct ctrl_cmd *cmd)
-{
- struct msgb *msg;
- char *type, *tmp;
-
- if (!cmd->id)
- return NULL;
-
- msg = msgb_alloc_headroom(4096, 128, "ctrl command make");
- if (!msg)
- return NULL;
-
- type = ctrl_cmd_type2str(cmd->type);
-
- switch (cmd->type) {
- case CTRL_TYPE_GET:
- if (!cmd->variable)
- goto err;
-
- tmp = talloc_asprintf(cmd, "%s %s %s", type, cmd->id, cmd->variable);
- if (!tmp) {
- LOGP(DCTRL, LOGL_ERROR, "Failed to allocate cmd.\n");
- goto err;
- }
-
- msg->l2h = msgb_put(msg, strlen(tmp));
- memcpy(msg->l2h, tmp, strlen(tmp));
- talloc_free(tmp);
- break;
- case CTRL_TYPE_SET:
- if (!cmd->variable || !cmd->value)
- goto err;
-
- tmp = talloc_asprintf(cmd, "%s %s %s %s", type, cmd->id, cmd->variable,
- cmd->value);
- if (!tmp) {
- LOGP(DCTRL, LOGL_ERROR, "Failed to allocate cmd.\n");
- goto err;
- }
-
- msg->l2h = msgb_put(msg, strlen(tmp));
- memcpy(msg->l2h, tmp, strlen(tmp));
- talloc_free(tmp);
- break;
- case CTRL_TYPE_GET_REPLY:
- case CTRL_TYPE_SET_REPLY:
- case CTRL_TYPE_TRAP:
- if (!cmd->variable || !cmd->reply)
- goto err;
-
- tmp = talloc_asprintf(cmd, "%s %s %s %s", type, cmd->id, cmd->variable,
- cmd->reply);
- if (!tmp) {
- LOGP(DCTRL, LOGL_ERROR, "Failed to allocate cmd.\n");
- goto err;
- }
-
- msg->l2h = msgb_put(msg, strlen(tmp));
- memcpy(msg->l2h, tmp, strlen(tmp));
- talloc_free(tmp);
- break;
- case CTRL_TYPE_ERROR:
- if (!cmd->reply)
- goto err;
-
- tmp = talloc_asprintf(cmd, "%s %s %s", type, cmd->id,
- cmd->reply);
- if (!tmp) {
- LOGP(DCTRL, LOGL_ERROR, "Failed to allocate cmd.\n");
- goto err;
- }
-
- msg->l2h = msgb_put(msg, strlen(tmp));
- memcpy(msg->l2h, tmp, strlen(tmp));
- talloc_free(tmp);
- break;
- default:
- LOGP(DCTRL, LOGL_NOTICE, "Unknown command type %i\n", cmd->type);
- goto err;
- break;
- }
-
- return msg;
-
-err:
- msgb_free(msg);
- return NULL;
-}